7420340

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{659}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 15634080

約数和(自身を除く): 8213740

約数列:

[1, 2, 4, 5, 10, 20, 563, 659, 1126, 1318, 2252, 2636, 2815, 3295, 5630, 6590, 11260, 13180, 371017, 742034, 1484068, 1855085, 3710170, 7420340]

約数ペア:

[(1, 7420340), (2, 3710170), (4, 1855085), (5, 1484068), (10, 742034), (20, 371017), (563, 13180), (659, 11260), (1126, 6590), (1318, 5630), (2252, 3295), (2636, 2815)]